/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:28:22,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:28:22,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:28:22,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:28:22,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:28:22,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:28:22,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:28:22,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:28:22,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:28:22,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:28:22,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:28:22,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:28:22,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:28:22,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:28:22,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:28:22,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:28:22,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:28:22,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:28:22,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:28:22,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:28:22,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:28:22,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:28:22,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:28:22,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:28:22,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:28:22,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:28:22,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:28:22,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:28:22,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:28:22,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:28:22,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:28:22,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:28:22,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:28:22,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:28:22,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:28:22,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:28:22,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:28:22,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:28:22,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:28:22,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:28:22,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:28:22,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:28:22,816 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:28:22,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:28:22,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:28:22,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:28:22,818 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:28:22,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:28:22,819 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:28:22,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:28:22,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:28:22,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:28:22,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:28:22,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:28:22,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:28:22,820 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:28:22,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:28:22,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:28:22,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:28:22,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:28:22,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:28:22,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:28:22,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:28:22,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:28:22,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:28:22,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:28:22,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:28:22,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:28:22,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:28:22,822 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:28:22,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:28:23,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:28:23,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:28:23,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:28:23,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:28:23,146 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:28:23,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2022-12-06 04:28:24,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:28:24,427 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:28:24,428 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2022-12-06 04:28:24,441 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a095b1a91/1b22f1dfed424a91b32ff404357a0a03/FLAGdc66af9ff [2022-12-06 04:28:24,459 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a095b1a91/1b22f1dfed424a91b32ff404357a0a03 [2022-12-06 04:28:24,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:28:24,462 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:28:24,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:28:24,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:28:24,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:28:24,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f24e185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24, skipping insertion in model container [2022-12-06 04:28:24,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:28:24,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:28:24,661 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i[945,958] [2022-12-06 04:28:24,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,796 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,796 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,806 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,809 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:28:24,817 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:28:24,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i[945,958] [2022-12-06 04:28:24,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:28:24,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:28:24,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:28:24,879 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:28:24,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24 WrapperNode [2022-12-06 04:28:24,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:28:24,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:28:24,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:28:24,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:28:24,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,911 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-12-06 04:28:24,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:28:24,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:28:24,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:28:24,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:28:24,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:28:24,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:28:24,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:28:24,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:28:24,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (1/1) ... [2022-12-06 04:28:24,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:28:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:28:24,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:28:24,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 04:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 04:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 04:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:28:24,998 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:28:25,091 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:28:25,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:28:25,300 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:28:25,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:28:25,322 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:28:25,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:25 BoogieIcfgContainer [2022-12-06 04:28:25,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:28:25,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:28:25,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:28:25,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:28:25,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:28:24" (1/3) ... [2022-12-06 04:28:25,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdb39cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:28:25, skipping insertion in model container [2022-12-06 04:28:25,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:24" (2/3) ... [2022-12-06 04:28:25,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdb39cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:28:25, skipping insertion in model container [2022-12-06 04:28:25,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:25" (3/3) ... [2022-12-06 04:28:25,329 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2022-12-06 04:28:25,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:28:25,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:28:25,343 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:28:25,423 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 04:28:25,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 86 transitions, 187 flow [2022-12-06 04:28:25,504 INFO L130 PetriNetUnfolder]: 2/83 cut-off events. [2022-12-06 04:28:25,504 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:28:25,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-06 04:28:25,509 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 86 transitions, 187 flow [2022-12-06 04:28:25,513 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 71 transitions, 151 flow [2022-12-06 04:28:25,514 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:25,530 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 71 transitions, 151 flow [2022-12-06 04:28:25,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 71 transitions, 151 flow [2022-12-06 04:28:25,569 INFO L130 PetriNetUnfolder]: 1/71 cut-off events. [2022-12-06 04:28:25,571 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:28:25,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-06 04:28:25,573 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 71 transitions, 151 flow [2022-12-06 04:28:25,573 INFO L188 LiptonReduction]: Number of co-enabled transitions 1044 [2022-12-06 04:28:27,471 INFO L203 LiptonReduction]: Total number of compositions: 54 [2022-12-06 04:28:27,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:28:27,487 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78bfc900, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:28:27,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 04:28:27,490 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-06 04:28:27,490 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:28:27,490 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:27,490 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:27,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:27,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:27,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1508305714, now seen corresponding path program 1 times [2022-12-06 04:28:27,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:27,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171570281] [2022-12-06 04:28:27,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:27,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:27,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:27,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171570281] [2022-12-06 04:28:27,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171570281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:27,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:27,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:28:27,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619405112] [2022-12-06 04:28:27,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:27,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:28:27,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:27,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:28:27,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:28:27,851 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 18 [2022-12-06 04:28:27,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:27,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:27,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 18 [2022-12-06 04:28:27,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:27,939 INFO L130 PetriNetUnfolder]: 222/386 cut-off events. [2022-12-06 04:28:27,939 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 04:28:27,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 386 events. 222/386 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1636 event pairs, 69 based on Foata normal form. 3/388 useless extension candidates. Maximal degree in co-relation 774. Up to 340 conditions per place. [2022-12-06 04:28:27,943 INFO L137 encePairwiseOnDemand]: 13/18 looper letters, 21 selfloop transitions, 3 changer transitions 0/26 dead transitions. [2022-12-06 04:28:27,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 26 transitions, 115 flow [2022-12-06 04:28:27,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:28:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:28:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-12-06 04:28:27,951 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2022-12-06 04:28:27,952 INFO L175 Difference]: Start difference. First operand has 27 places, 18 transitions, 45 flow. Second operand 3 states and 33 transitions. [2022-12-06 04:28:27,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 26 transitions, 115 flow [2022-12-06 04:28:27,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 26 transitions, 110 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:28:27,955 INFO L231 Difference]: Finished difference. Result has 27 places, 19 transitions, 59 flow [2022-12-06 04:28:27,957 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=27, PETRI_TRANSITIONS=19} [2022-12-06 04:28:27,959 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2022-12-06 04:28:27,959 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:27,960 INFO L89 Accepts]: Start accepts. Operand has 27 places, 19 transitions, 59 flow [2022-12-06 04:28:27,962 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:27,962 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:27,962 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 19 transitions, 59 flow [2022-12-06 04:28:27,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 19 transitions, 59 flow [2022-12-06 04:28:27,968 INFO L130 PetriNetUnfolder]: 3/27 cut-off events. [2022-12-06 04:28:27,968 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:28:27,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 27 events. 3/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 1 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 40. Up to 10 conditions per place. [2022-12-06 04:28:27,968 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 19 transitions, 59 flow [2022-12-06 04:28:27,969 INFO L188 LiptonReduction]: Number of co-enabled transitions 136 [2022-12-06 04:28:27,990 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:28:27,991 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-06 04:28:27,991 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 19 transitions, 59 flow [2022-12-06 04:28:27,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:27,992 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:27,992 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:27,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:28:27,992 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:27,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:27,993 INFO L85 PathProgramCache]: Analyzing trace with hash -487163216, now seen corresponding path program 1 times [2022-12-06 04:28:27,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:27,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533742213] [2022-12-06 04:28:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:27,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:28,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:28,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533742213] [2022-12-06 04:28:28,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533742213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:28,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:28,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:28:28,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114977794] [2022-12-06 04:28:28,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:28,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:28:28,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:28,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:28:28,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:28:28,125 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 04:28:28,125 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 19 transitions, 59 flow. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,125 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:28,125 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 04:28:28,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:28,214 INFO L130 PetriNetUnfolder]: 334/536 cut-off events. [2022-12-06 04:28:28,215 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-12-06 04:28:28,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1240 conditions, 536 events. 334/536 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2201 event pairs, 52 based on Foata normal form. 12/546 useless extension candidates. Maximal degree in co-relation 1229. Up to 241 conditions per place. [2022-12-06 04:28:28,219 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 32 selfloop transitions, 8 changer transitions 0/41 dead transitions. [2022-12-06 04:28:28,219 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 41 transitions, 193 flow [2022-12-06 04:28:28,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:28:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:28:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2022-12-06 04:28:28,220 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5411764705882353 [2022-12-06 04:28:28,220 INFO L175 Difference]: Start difference. First operand has 27 places, 19 transitions, 59 flow. Second operand 5 states and 46 transitions. [2022-12-06 04:28:28,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 41 transitions, 193 flow [2022-12-06 04:28:28,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 41 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:28:28,221 INFO L231 Difference]: Finished difference. Result has 33 places, 24 transitions, 111 flow [2022-12-06 04:28:28,221 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=111, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2022-12-06 04:28:28,222 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2022-12-06 04:28:28,222 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:28,222 INFO L89 Accepts]: Start accepts. Operand has 33 places, 24 transitions, 111 flow [2022-12-06 04:28:28,223 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:28,223 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:28,223 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 24 transitions, 111 flow [2022-12-06 04:28:28,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 24 transitions, 111 flow [2022-12-06 04:28:28,227 INFO L130 PetriNetUnfolder]: 9/44 cut-off events. [2022-12-06 04:28:28,227 INFO L131 PetriNetUnfolder]: For 25/27 co-relation queries the response was YES. [2022-12-06 04:28:28,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 44 events. 9/44 cut-off events. For 25/27 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 116 event pairs, 1 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 107. Up to 17 conditions per place. [2022-12-06 04:28:28,227 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 24 transitions, 111 flow [2022-12-06 04:28:28,228 INFO L188 LiptonReduction]: Number of co-enabled transitions 172 [2022-12-06 04:28:28,229 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:28:28,229 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7 [2022-12-06 04:28:28,230 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 111 flow [2022-12-06 04:28:28,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,230 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:28,230 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:28,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:28:28,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:28,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:28,230 INFO L85 PathProgramCache]: Analyzing trace with hash -487162503, now seen corresponding path program 1 times [2022-12-06 04:28:28,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:28,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018332089] [2022-12-06 04:28:28,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:28,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:28,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:28,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018332089] [2022-12-06 04:28:28,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018332089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:28,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:28,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:28:28,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857787634] [2022-12-06 04:28:28,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:28,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:28:28,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:28:28,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:28:28,317 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-06 04:28:28,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:28,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-06 04:28:28,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:28,383 INFO L130 PetriNetUnfolder]: 233/403 cut-off events. [2022-12-06 04:28:28,383 INFO L131 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2022-12-06 04:28:28,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 403 events. 233/403 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1731 event pairs, 56 based on Foata normal form. 6/402 useless extension candidates. Maximal degree in co-relation 1159. Up to 328 conditions per place. [2022-12-06 04:28:28,386 INFO L137 encePairwiseOnDemand]: 14/17 looper letters, 25 selfloop transitions, 4 changer transitions 0/32 dead transitions. [2022-12-06 04:28:28,386 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 32 transitions, 189 flow [2022-12-06 04:28:28,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:28:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:28:28,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2022-12-06 04:28:28,387 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2022-12-06 04:28:28,387 INFO L175 Difference]: Start difference. First operand has 33 places, 24 transitions, 111 flow. Second operand 3 states and 31 transitions. [2022-12-06 04:28:28,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 32 transitions, 189 flow [2022-12-06 04:28:28,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 32 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:28:28,390 INFO L231 Difference]: Finished difference. Result has 35 places, 24 transitions, 122 flow [2022-12-06 04:28:28,390 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=35, PETRI_TRANSITIONS=24} [2022-12-06 04:28:28,390 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 8 predicate places. [2022-12-06 04:28:28,390 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:28,390 INFO L89 Accepts]: Start accepts. Operand has 35 places, 24 transitions, 122 flow [2022-12-06 04:28:28,391 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:28,391 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:28,391 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 24 transitions, 122 flow [2022-12-06 04:28:28,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 24 transitions, 122 flow [2022-12-06 04:28:28,395 INFO L130 PetriNetUnfolder]: 6/36 cut-off events. [2022-12-06 04:28:28,395 INFO L131 PetriNetUnfolder]: For 33/36 co-relation queries the response was YES. [2022-12-06 04:28:28,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 36 events. 6/36 cut-off events. For 33/36 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 85 event pairs, 1 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 87. Up to 13 conditions per place. [2022-12-06 04:28:28,396 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 24 transitions, 122 flow [2022-12-06 04:28:28,396 INFO L188 LiptonReduction]: Number of co-enabled transitions 172 [2022-12-06 04:28:28,397 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:28:28,397 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7 [2022-12-06 04:28:28,398 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 24 transitions, 122 flow [2022-12-06 04:28:28,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,398 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:28,398 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:28,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:28:28,398 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:28,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:28,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2077807658, now seen corresponding path program 1 times [2022-12-06 04:28:28,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:28,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139614471] [2022-12-06 04:28:28,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:28,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:28,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:28,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139614471] [2022-12-06 04:28:28,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139614471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:28,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:28,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:28:28,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001037622] [2022-12-06 04:28:28,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:28,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 04:28:28,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:28,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 04:28:28,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 04:28:28,487 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 04:28:28,488 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 24 transitions, 122 flow. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:28,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 04:28:28,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:28,545 INFO L130 PetriNetUnfolder]: 315/524 cut-off events. [2022-12-06 04:28:28,546 INFO L131 PetriNetUnfolder]: For 653/653 co-relation queries the response was YES. [2022-12-06 04:28:28,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1497 conditions, 524 events. 315/524 cut-off events. For 653/653 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2118 event pairs, 116 based on Foata normal form. 33/553 useless extension candidates. Maximal degree in co-relation 1480. Up to 203 conditions per place. [2022-12-06 04:28:28,548 INFO L137 encePairwiseOnDemand]: 13/17 looper letters, 20 selfloop transitions, 3 changer transitions 11/35 dead transitions. [2022-12-06 04:28:28,548 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 35 transitions, 220 flow [2022-12-06 04:28:28,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:28:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:28:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2022-12-06 04:28:28,550 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 04:28:28,551 INFO L175 Difference]: Start difference. First operand has 35 places, 24 transitions, 122 flow. Second operand 4 states and 34 transitions. [2022-12-06 04:28:28,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 35 transitions, 220 flow [2022-12-06 04:28:28,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 35 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:28:28,553 INFO L231 Difference]: Finished difference. Result has 38 places, 17 transitions, 84 flow [2022-12-06 04:28:28,553 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=38, PETRI_TRANSITIONS=17} [2022-12-06 04:28:28,554 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 11 predicate places. [2022-12-06 04:28:28,554 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:28,554 INFO L89 Accepts]: Start accepts. Operand has 38 places, 17 transitions, 84 flow [2022-12-06 04:28:28,554 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:28,554 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:28,554 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 17 transitions, 84 flow [2022-12-06 04:28:28,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 17 transitions, 84 flow [2022-12-06 04:28:28,557 INFO L130 PetriNetUnfolder]: 1/19 cut-off events. [2022-12-06 04:28:28,557 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-12-06 04:28:28,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 19 events. 1/19 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 1 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2022-12-06 04:28:28,558 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 17 transitions, 84 flow [2022-12-06 04:28:28,558 INFO L188 LiptonReduction]: Number of co-enabled transitions 82 [2022-12-06 04:28:28,560 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [192] L758-->L761: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] and [236] $Ultimate##0-->L728: Formula: (and (= v_P0Thread1of1ForFork2_~arg.offset_5 |v_P0Thread1of1ForFork2_#in~arg.offset_5|) (= v_P0Thread1of1ForFork2_~arg.base_5 |v_P0Thread1of1ForFork2_#in~arg.base_5|) (= v_~z~0_20 v_~__unbuffered_p0_EAX~0_24)) InVars {P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_5|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_5|, ~z~0=v_~z~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_24, P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_5|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_5, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_5|, ~z~0=v_~z~0_20, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_5} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_~arg.base] [2022-12-06 04:28:28,608 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:28:28,614 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 60 [2022-12-06 04:28:28,614 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 15 transitions, 74 flow [2022-12-06 04:28:28,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,615 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:28,615 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:28,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:28:28,616 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:28,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:28,616 INFO L85 PathProgramCache]: Analyzing trace with hash -487151281, now seen corresponding path program 1 times [2022-12-06 04:28:28,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:28,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799270966] [2022-12-06 04:28:28,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:28,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:28,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:28,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799270966] [2022-12-06 04:28:28,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799270966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:28,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:28,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:28:28,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846058162] [2022-12-06 04:28:28,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:28,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:28:28,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:28,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:28:28,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:28:28,696 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 04:28:28,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 15 transitions, 74 flow. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:28,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 04:28:28,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:28,748 INFO L130 PetriNetUnfolder]: 133/228 cut-off events. [2022-12-06 04:28:28,749 INFO L131 PetriNetUnfolder]: For 658/658 co-relation queries the response was YES. [2022-12-06 04:28:28,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 228 events. 133/228 cut-off events. For 658/658 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 709 event pairs, 21 based on Foata normal form. 8/236 useless extension candidates. Maximal degree in co-relation 702. Up to 109 conditions per place. [2022-12-06 04:28:28,750 INFO L137 encePairwiseOnDemand]: 10/15 looper letters, 25 selfloop transitions, 6 changer transitions 0/31 dead transitions. [2022-12-06 04:28:28,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 31 transitions, 204 flow [2022-12-06 04:28:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:28:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:28:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-12-06 04:28:28,752 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.44 [2022-12-06 04:28:28,754 INFO L175 Difference]: Start difference. First operand has 34 places, 15 transitions, 74 flow. Second operand 5 states and 33 transitions. [2022-12-06 04:28:28,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 31 transitions, 204 flow [2022-12-06 04:28:28,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 31 transitions, 146 flow, removed 17 selfloop flow, removed 11 redundant places. [2022-12-06 04:28:28,760 INFO L231 Difference]: Finished difference. Result has 29 places, 19 transitions, 82 flow [2022-12-06 04:28:28,760 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=29, PETRI_TRANSITIONS=19} [2022-12-06 04:28:28,761 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2022-12-06 04:28:28,761 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:28,761 INFO L89 Accepts]: Start accepts. Operand has 29 places, 19 transitions, 82 flow [2022-12-06 04:28:28,761 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:28,761 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:28,761 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 19 transitions, 82 flow [2022-12-06 04:28:28,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 19 transitions, 82 flow [2022-12-06 04:28:28,764 INFO L130 PetriNetUnfolder]: 3/26 cut-off events. [2022-12-06 04:28:28,764 INFO L131 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2022-12-06 04:28:28,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 26 events. 3/26 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 58 event pairs, 1 based on Foata normal form. 1/27 useless extension candidates. Maximal degree in co-relation 59. Up to 10 conditions per place. [2022-12-06 04:28:28,765 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 19 transitions, 82 flow [2022-12-06 04:28:28,765 INFO L188 LiptonReduction]: Number of co-enabled transitions 76 [2022-12-06 04:28:28,765 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:28:28,766 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-06 04:28:28,766 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 19 transitions, 82 flow [2022-12-06 04:28:28,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,766 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:28,766 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:28,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:28:28,766 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:28,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:28,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2078177643, now seen corresponding path program 1 times [2022-12-06 04:28:28,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:28,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363827773] [2022-12-06 04:28:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:28,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:28,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:28,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363827773] [2022-12-06 04:28:28,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363827773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:28,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:28,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:28:28,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625522015] [2022-12-06 04:28:28,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:28,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:28:28,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:28,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:28:28,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:28:28,848 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 15 [2022-12-06 04:28:28,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 19 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:28,848 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 15 [2022-12-06 04:28:28,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:28,881 INFO L130 PetriNetUnfolder]: 96/185 cut-off events. [2022-12-06 04:28:28,882 INFO L131 PetriNetUnfolder]: For 178/184 co-relation queries the response was YES. [2022-12-06 04:28:28,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 185 events. 96/185 cut-off events. For 178/184 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 690 event pairs, 45 based on Foata normal form. 14/183 useless extension candidates. Maximal degree in co-relation 484. Up to 64 conditions per place. [2022-12-06 04:28:28,883 INFO L137 encePairwiseOnDemand]: 11/15 looper letters, 16 selfloop transitions, 3 changer transitions 8/28 dead transitions. [2022-12-06 04:28:28,883 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 28 transitions, 152 flow [2022-12-06 04:28:28,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 04:28:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 04:28:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2022-12-06 04:28:28,884 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 04:28:28,884 INFO L175 Difference]: Start difference. First operand has 29 places, 19 transitions, 82 flow. Second operand 4 states and 30 transitions. [2022-12-06 04:28:28,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 28 transitions, 152 flow [2022-12-06 04:28:28,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 28 transitions, 152 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 04:28:28,885 INFO L231 Difference]: Finished difference. Result has 34 places, 15 transitions, 72 flow [2022-12-06 04:28:28,885 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=34, PETRI_TRANSITIONS=15} [2022-12-06 04:28:28,885 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 7 predicate places. [2022-12-06 04:28:28,885 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:28,885 INFO L89 Accepts]: Start accepts. Operand has 34 places, 15 transitions, 72 flow [2022-12-06 04:28:28,887 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:28,887 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:28,888 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 15 transitions, 72 flow [2022-12-06 04:28:28,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 15 transitions, 72 flow [2022-12-06 04:28:28,890 INFO L130 PetriNetUnfolder]: 1/17 cut-off events. [2022-12-06 04:28:28,891 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-06 04:28:28,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 17 events. 1/17 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 1 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 43. Up to 6 conditions per place. [2022-12-06 04:28:28,891 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 15 transitions, 72 flow [2022-12-06 04:28:28,891 INFO L188 LiptonReduction]: Number of co-enabled transitions 44 [2022-12-06 04:28:28,907 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:28:28,908 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 23 [2022-12-06 04:28:28,908 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 14 transitions, 70 flow [2022-12-06 04:28:28,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,908 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:28,908 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:28,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 04:28:28,908 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:28,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:28,911 INFO L85 PathProgramCache]: Analyzing trace with hash 2077835155, now seen corresponding path program 1 times [2022-12-06 04:28:28,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:28,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935562795] [2022-12-06 04:28:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:28,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:28,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:28,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935562795] [2022-12-06 04:28:28,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935562795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:28,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:28,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:28:28,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872856281] [2022-12-06 04:28:28,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:28,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:28:28,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:28,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:28:28,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:28:28,976 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 14 [2022-12-06 04:28:28,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 14 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:28,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:28,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 14 [2022-12-06 04:28:28,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:29,029 INFO L130 PetriNetUnfolder]: 40/90 cut-off events. [2022-12-06 04:28:29,029 INFO L131 PetriNetUnfolder]: For 382/385 co-relation queries the response was YES. [2022-12-06 04:28:29,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 90 events. 40/90 cut-off events. For 382/385 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 270 event pairs, 17 based on Foata normal form. 11/97 useless extension candidates. Maximal degree in co-relation 284. Up to 56 conditions per place. [2022-12-06 04:28:29,029 INFO L137 encePairwiseOnDemand]: 8/14 looper letters, 15 selfloop transitions, 4 changer transitions 10/30 dead transitions. [2022-12-06 04:28:29,030 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 30 transitions, 194 flow [2022-12-06 04:28:29,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:28:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:28:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-12-06 04:28:29,031 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5142857142857142 [2022-12-06 04:28:29,031 INFO L175 Difference]: Start difference. First operand has 32 places, 14 transitions, 70 flow. Second operand 5 states and 36 transitions. [2022-12-06 04:28:29,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 30 transitions, 194 flow [2022-12-06 04:28:29,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 30 transitions, 144 flow, removed 5 selfloop flow, removed 9 redundant places. [2022-12-06 04:28:29,033 INFO L231 Difference]: Finished difference. Result has 30 places, 17 transitions, 78 flow [2022-12-06 04:28:29,033 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=78, PETRI_PLACES=30, PETRI_TRANSITIONS=17} [2022-12-06 04:28:29,034 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2022-12-06 04:28:29,034 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:29,034 INFO L89 Accepts]: Start accepts. Operand has 30 places, 17 transitions, 78 flow [2022-12-06 04:28:29,035 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:29,035 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:29,035 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 17 transitions, 78 flow [2022-12-06 04:28:29,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 17 transitions, 78 flow [2022-12-06 04:28:29,041 INFO L130 PetriNetUnfolder]: 27/60 cut-off events. [2022-12-06 04:28:29,041 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2022-12-06 04:28:29,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 60 events. 27/60 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 160 event pairs, 15 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 168. Up to 39 conditions per place. [2022-12-06 04:28:29,042 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 17 transitions, 78 flow [2022-12-06 04:28:29,042 INFO L188 LiptonReduction]: Number of co-enabled transitions 22 [2022-12-06 04:28:29,085 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:28:29,086 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 52 [2022-12-06 04:28:29,086 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 17 transitions, 81 flow [2022-12-06 04:28:29,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:29,086 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:29,086 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:29,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 04:28:29,087 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:29,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2135449616, now seen corresponding path program 1 times [2022-12-06 04:28:29,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:29,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164253810] [2022-12-06 04:28:29,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:29,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:29,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:29,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164253810] [2022-12-06 04:28:29,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164253810] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:29,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:29,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:28:29,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486453582] [2022-12-06 04:28:29,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:29,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 04:28:29,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:29,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 04:28:29,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 04:28:29,158 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 16 [2022-12-06 04:28:29,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 17 transitions, 81 flow. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:29,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:29,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 16 [2022-12-06 04:28:29,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:29,206 INFO L130 PetriNetUnfolder]: 22/61 cut-off events. [2022-12-06 04:28:29,206 INFO L131 PetriNetUnfolder]: For 79/82 co-relation queries the response was YES. [2022-12-06 04:28:29,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 61 events. 22/61 cut-off events. For 79/82 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 158 event pairs, 5 based on Foata normal form. 9/69 useless extension candidates. Maximal degree in co-relation 220. Up to 38 conditions per place. [2022-12-06 04:28:29,207 INFO L137 encePairwiseOnDemand]: 8/16 looper letters, 15 selfloop transitions, 7 changer transitions 8/31 dead transitions. [2022-12-06 04:28:29,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 215 flow [2022-12-06 04:28:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 04:28:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 04:28:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2022-12-06 04:28:29,209 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3958333333333333 [2022-12-06 04:28:29,209 INFO L175 Difference]: Start difference. First operand has 28 places, 17 transitions, 81 flow. Second operand 6 states and 38 transitions. [2022-12-06 04:28:29,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 31 transitions, 215 flow [2022-12-06 04:28:29,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 31 transitions, 209 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-06 04:28:29,212 INFO L231 Difference]: Finished difference. Result has 34 places, 20 transitions, 131 flow [2022-12-06 04:28:29,212 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=131, PETRI_PLACES=34, PETRI_TRANSITIONS=20} [2022-12-06 04:28:29,213 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 7 predicate places. [2022-12-06 04:28:29,213 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:29,213 INFO L89 Accepts]: Start accepts. Operand has 34 places, 20 transitions, 131 flow [2022-12-06 04:28:29,214 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:29,214 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:29,214 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 20 transitions, 131 flow [2022-12-06 04:28:29,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 20 transitions, 131 flow [2022-12-06 04:28:29,217 INFO L130 PetriNetUnfolder]: 12/39 cut-off events. [2022-12-06 04:28:29,217 INFO L131 PetriNetUnfolder]: For 69/70 co-relation queries the response was YES. [2022-12-06 04:28:29,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 39 events. 12/39 cut-off events. For 69/70 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 79 event pairs, 3 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 145. Up to 23 conditions per place. [2022-12-06 04:28:29,218 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 20 transitions, 131 flow [2022-12-06 04:28:29,218 INFO L188 LiptonReduction]: Number of co-enabled transitions 16 [2022-12-06 04:28:29,279 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:28:29,280 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 67 [2022-12-06 04:28:29,280 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 20 transitions, 134 flow [2022-12-06 04:28:29,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:29,280 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:29,280 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:29,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 04:28:29,280 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:29,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:29,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1273450, now seen corresponding path program 1 times [2022-12-06 04:28:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:29,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887169248] [2022-12-06 04:28:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:29,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:29,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:29,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887169248] [2022-12-06 04:28:29,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887169248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:29,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:29,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:28:29,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730337519] [2022-12-06 04:28:29,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:29,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:28:29,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:29,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:28:29,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:28:29,358 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 04:28:29,358 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 20 transitions, 134 flow. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:29,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:29,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 04:28:29,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:29,399 INFO L130 PetriNetUnfolder]: 11/39 cut-off events. [2022-12-06 04:28:29,399 INFO L131 PetriNetUnfolder]: For 81/82 co-relation queries the response was YES. [2022-12-06 04:28:29,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 39 events. 11/39 cut-off events. For 81/82 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 73 event pairs, 2 based on Foata normal form. 4/43 useless extension candidates. Maximal degree in co-relation 167. Up to 22 conditions per place. [2022-12-06 04:28:29,400 INFO L137 encePairwiseOnDemand]: 8/17 looper letters, 12 selfloop transitions, 10 changer transitions 4/27 dead transitions. [2022-12-06 04:28:29,400 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 27 transitions, 233 flow [2022-12-06 04:28:29,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 04:28:29,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 04:28:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 35 transitions. [2022-12-06 04:28:29,401 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.29411764705882354 [2022-12-06 04:28:29,401 INFO L175 Difference]: Start difference. First operand has 32 places, 20 transitions, 134 flow. Second operand 7 states and 35 transitions. [2022-12-06 04:28:29,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 27 transitions, 233 flow [2022-12-06 04:28:29,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 193 flow, removed 16 selfloop flow, removed 4 redundant places. [2022-12-06 04:28:29,402 INFO L231 Difference]: Finished difference. Result has 37 places, 20 transitions, 132 flow [2022-12-06 04:28:29,402 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=132, PETRI_PLACES=37, PETRI_TRANSITIONS=20} [2022-12-06 04:28:29,402 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2022-12-06 04:28:29,402 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:28:29,402 INFO L89 Accepts]: Start accepts. Operand has 37 places, 20 transitions, 132 flow [2022-12-06 04:28:29,403 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:28:29,403 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:29,403 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 20 transitions, 132 flow [2022-12-06 04:28:29,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 20 transitions, 132 flow [2022-12-06 04:28:29,406 INFO L130 PetriNetUnfolder]: 5/25 cut-off events. [2022-12-06 04:28:29,406 INFO L131 PetriNetUnfolder]: For 37/39 co-relation queries the response was YES. [2022-12-06 04:28:29,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 25 events. 5/25 cut-off events. For 37/39 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 35 event pairs, 0 based on Foata normal form. 1/25 useless extension candidates. Maximal degree in co-relation 78. Up to 11 conditions per place. [2022-12-06 04:28:29,406 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 20 transitions, 132 flow [2022-12-06 04:28:29,406 INFO L188 LiptonReduction]: Number of co-enabled transitions 14 [2022-12-06 04:28:29,532 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 04:28:29,533 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 131 [2022-12-06 04:28:29,533 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 18 transitions, 131 flow [2022-12-06 04:28:29,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:29,533 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:28:29,533 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:29,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 04:28:29,533 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 04:28:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:28:29,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1745945101, now seen corresponding path program 1 times [2022-12-06 04:28:29,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:28:29,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184689932] [2022-12-06 04:28:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:28:29,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:28:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:28:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:28:29,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:28:29,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184689932] [2022-12-06 04:28:29,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184689932] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:28:29,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:28:29,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:28:29,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801967351] [2022-12-06 04:28:29,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:28:29,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:28:29,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:28:29,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:28:29,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:28:29,612 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 04:28:29,612 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 18 transitions, 131 flow. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:29,612 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:28:29,612 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 04:28:29,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:28:29,642 INFO L130 PetriNetUnfolder]: 8/28 cut-off events. [2022-12-06 04:28:29,642 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-12-06 04:28:29,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 28 events. 8/28 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 116. Up to 17 conditions per place. [2022-12-06 04:28:29,643 INFO L137 encePairwiseOnDemand]: 9/15 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2022-12-06 04:28:29,643 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 20 transitions, 161 flow [2022-12-06 04:28:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:28:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:28:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2022-12-06 04:28:29,644 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.24 [2022-12-06 04:28:29,644 INFO L175 Difference]: Start difference. First operand has 33 places, 18 transitions, 131 flow. Second operand 5 states and 18 transitions. [2022-12-06 04:28:29,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 20 transitions, 161 flow [2022-12-06 04:28:29,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 20 transitions, 112 flow, removed 6 selfloop flow, removed 8 redundant places. [2022-12-06 04:28:29,645 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2022-12-06 04:28:29,645 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2022-12-06 04:28:29,646 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2022-12-06 04:28:29,646 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:28:29,646 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 0 transitions, 0 flow [2022-12-06 04:28:29,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:28:29,647 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:28:29,647 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:28:29,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:28:29,647 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:28:29,647 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:28:29,647 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:28:29,648 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 04:28:29,648 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:28:29,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:28:29,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 04:28:29,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 04:28:29,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 04:28:29,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 04:28:29,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-06 04:28:29,650 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:28:29,652 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:28:29,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:28:29,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:28:29 BasicIcfg [2022-12-06 04:28:29,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:28:29,655 INFO L158 Benchmark]: Toolchain (without parser) took 5192.45ms. Allocated memory was 202.4MB in the beginning and 271.6MB in the end (delta: 69.2MB). Free memory was 177.7MB in the beginning and 104.1MB in the end (delta: 73.6MB). Peak memory consumption was 142.6MB. Max. memory is 8.0GB. [2022-12-06 04:28:29,655 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 179.4MB in the beginning and 179.3MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:28:29,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.53ms. Allocated memory is still 202.4MB. Free memory was 177.7MB in the beginning and 154.3MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-06 04:28:29,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.43ms. Allocated memory is still 202.4MB. Free memory was 154.3MB in the beginning and 152.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:28:29,655 INFO L158 Benchmark]: Boogie Preprocessor took 26.61ms. Allocated memory is still 202.4MB. Free memory was 152.2MB in the beginning and 150.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:28:29,656 INFO L158 Benchmark]: RCFGBuilder took 384.11ms. Allocated memory is still 202.4MB. Free memory was 150.7MB in the beginning and 136.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 04:28:29,656 INFO L158 Benchmark]: TraceAbstraction took 4329.25ms. Allocated memory was 202.4MB in the beginning and 271.6MB in the end (delta: 69.2MB). Free memory was 136.0MB in the beginning and 104.1MB in the end (delta: 31.9MB). Peak memory consumption was 100.6MB. Max. memory is 8.0GB. [2022-12-06 04:28:29,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 179.4MB in the beginning and 179.3MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 416.53ms. Allocated memory is still 202.4MB. Free memory was 177.7MB in the beginning and 154.3MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.43ms. Allocated memory is still 202.4MB. Free memory was 154.3MB in the beginning and 152.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.61ms. Allocated memory is still 202.4MB. Free memory was 152.2MB in the beginning and 150.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 384.11ms. Allocated memory is still 202.4MB. Free memory was 150.7MB in the beginning and 136.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4329.25ms. Allocated memory was 202.4MB in the beginning and 271.6MB in the end (delta: 69.2MB). Free memory was 136.0MB in the beginning and 104.1MB in the end (delta: 31.9MB). Peak memory consumption was 100.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 80 PlacesBefore, 27 PlacesAfterwards, 71 TransitionsBefore, 18 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 787, independent: 752, independent conditional: 752, independent unconditional: 0, dependent: 35, dependent conditional: 35, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 787, independent: 752, independent conditional: 0, independent unconditional: 752, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 787, independent: 752, independent conditional: 0, independent unconditional: 752, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 787, independent: 752, independent conditional: 0, independent unconditional: 752, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 661, independent: 635, independent conditional: 0, independent unconditional: 635, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 661, independent: 628, independent conditional: 0, independent unconditional: 628, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 787, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 661, unknown conditional: 0, unknown unconditional: 661] , Statistics on independence cache: Total cache size (in pairs): 948, Positive cache size: 922, Positive conditional cache size: 0, Positive unconditional cache size: 922, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 27 PlacesBefore, 27 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, independent: 56, independent conditional: 56, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67, independent: 56, independent conditional: 6, independent unconditional: 50, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 67, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 67, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 33 PlacesBefore, 33 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, independent: 58, independent conditional: 58, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67, independent: 58, independent conditional: 18, independent unconditional: 40, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 69, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 69, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 49, Positive conditional cache size: 0, Positive unconditional cache size: 49, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 35 PlacesBefore, 35 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, independent: 47, independent conditional: 47, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 56, independent: 47, independent conditional: 11, independent unconditional: 36, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 49, Positive conditional cache size: 0, Positive unconditional cache size: 49, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 37 PlacesBefore, 34 PlacesAfterwards, 17 TransitionsBefore, 15 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74, independent: 59, independent conditional: 59, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 74, independent: 59, independent conditional: 17, independent unconditional: 42, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 81, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 29 PlacesBefore, 29 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, independent: 45, independent conditional: 45, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 54, independent: 45, independent conditional: 8, independent unconditional: 37, dependent: 9, dependent conditional: 2, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 33 PlacesBefore, 32 PlacesAfterwards, 15 TransitionsBefore, 14 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 28 PlacesBefore, 28 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 5, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, independent: 8, independent conditional: 4, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 4, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 82, Positive conditional cache size: 0, Positive unconditional cache size: 82, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 32 PlacesBefore, 32 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 35 PlacesBefore, 33 PlacesAfterwards, 20 TransitionsBefore, 18 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 109 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 386 IncrementalHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 10 mSDtfsCounter, 386 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=8, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:28:29,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...